From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7CBEC56201 for ; Mon, 26 Oct 2020 23:55:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 68CD82222C for ; Mon, 26 Oct 2020 23:55:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603756535; bh=kSRjWKkqerygM1Ug3EBCrHCDhUr4RdXYzpftCIvXDsw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=njfiQ8p1UtBCPP5zws7QX/H29LwUgKGKeO1n/fhu4XdesshHfGqxjqLluFc0i/c7A L8sIKU4oI5xA704sz8N6fPDtOZLUebsmaufnoUz9XEcb1uDnYJlnpb07JpOabA1DLP 1p331Ek8qYK/bC5SJPNM+96kpX2+Yh2G8H88CNK4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2410582AbgJZXyz (ORCPT ); Mon, 26 Oct 2020 19:54:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:59700 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2410335AbgJZXyK (ORCPT ); Mon, 26 Oct 2020 19:54:10 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 22CDD221FC; Mon, 26 Oct 2020 23:54:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603756450; bh=kSRjWKkqerygM1Ug3EBCrHCDhUr4RdXYzpftCIvXDsw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VA0XNm7Fvm7ik3t5iKsNaCiseWsAAKemY27FsRwEuEJhjUXs3OQFgHyUEFyXcpxpi erxkhfE+uzS/+Qe81Of7sKamWHKIBW5KT3vF+ChtaGTZvKo0Kq9IPQi9ouRCCUSbUM X2jROTllESsvslGZtI6hLjVWyzN4K9jiCj5hlPr0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chris Lew , Arun Kumar Neelakantam , Deepak Kumar Singh , Bjorn Andersson , Sasha Levin , linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org Subject: [PATCH AUTOSEL 5.8 101/132] rpmsg: glink: Use complete_all for open states Date: Mon, 26 Oct 2020 19:51:33 -0400 Message-Id: <20201026235205.1023962-101-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201026235205.1023962-1-sashal@kernel.org> References: <20201026235205.1023962-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chris Lew [ Upstream commit 4fcdaf6e28d11e2f3820d54dd23cd12a47ddd44e ] The open_req and open_ack completion variables are the state variables to represet a remote channel as open. Use complete_all so there are no races with waiters and using completion_done. Signed-off-by: Chris Lew Signed-off-by: Arun Kumar Neelakantam Signed-off-by: Deepak Kumar Singh Link: https://lore.kernel.org/r/1593017121-7953-2-git-send-email-deesin@codeaurora.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/rpmsg/qcom_glink_native.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 1995f5b3ea677..d5114abcde197 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -970,7 +970,7 @@ static int qcom_glink_rx_open_ack(struct qcom_glink *glink, unsigned int lcid) return -EINVAL; } - complete(&channel->open_ack); + complete_all(&channel->open_ack); return 0; } @@ -1178,7 +1178,7 @@ static int qcom_glink_announce_create(struct rpmsg_device *rpdev) __be32 *val = defaults; int size; - if (glink->intentless) + if (glink->intentless || !completion_done(&channel->open_ack)) return 0; prop = of_find_property(np, "qcom,intents", NULL); @@ -1413,7 +1413,7 @@ static int qcom_glink_rx_open(struct qcom_glink *glink, unsigned int rcid, channel->rcid = ret; spin_unlock_irqrestore(&glink->idr_lock, flags); - complete(&channel->open_req); + complete_all(&channel->open_req); if (create_device) { rpdev = kzalloc(sizeof(*rpdev), GFP_KERNEL); -- 2.25.1